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// Copyright 2016 The Draco Authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
#include "draco/io/ply_decoder.h"
#include "draco/core/draco_test_base.h"
#include "draco/core/draco_test_utils.h"
namespace draco {
class PlyDecoderTest : public ::testing::Test {
protected:
template <class Geometry>
std::unique_ptr<Geometry> DecodePly(const std::string &file_name) const {
const std::string path = GetTestFileFullPath(file_name);
PlyDecoder decoder;
std::unique_ptr<Geometry> geometry(new Geometry());
Status status = decoder.DecodeFromFile(path, geometry.get());
if (!status.ok()) {
LOG(DRACO_ERROR) << "Failed to decode " << file_name << ": " << status;
return nullptr;
}
return geometry;
}
void test_decoding(const std::string &file_name, int num_faces,
uint32_t num_points, std::unique_ptr<Mesh> *out_mesh) {
// Don't test mesh decoding when the input is point cloud.
if (num_faces > 0) {
std::unique_ptr<Mesh> mesh(DecodePly<Mesh>(file_name));
ASSERT_NE(mesh, nullptr) << "Failed to load test model " << file_name;
ASSERT_EQ(mesh->num_faces(), num_faces);
if (out_mesh)
*out_mesh = std::move(mesh);
}
const std::unique_ptr<PointCloud> pc(DecodePly<PointCloud>(file_name));
ASSERT_NE(pc, nullptr) << "Failed to load test model " << file_name;
ASSERT_EQ(pc->num_points(), num_points);
}
void test_decoding(const std::string &file_name) {
const std::unique_ptr<Mesh> mesh(DecodePly<Mesh>(file_name));
ASSERT_NE(mesh, nullptr) << "Failed to load test model " << file_name;
ASSERT_GT(mesh->num_faces(), 0);
const std::unique_ptr<PointCloud> pc(DecodePly<PointCloud>(file_name));
ASSERT_NE(pc, nullptr) << "Failed to load test model " << file_name;
ASSERT_GT(pc->num_points(), 0);
}
};
TEST_F(PlyDecoderTest, TestPlyDecoding) {
const std::string file_name = "test_pos_color.ply";
test_decoding(file_name, 224, 114, nullptr);
}
TEST_F(PlyDecoderTest, TestPlyNormals) {
const std::string file_name = "cube_att.ply";
std::unique_ptr<Mesh> mesh;
test_decoding(file_name, 12, 3 * 8, &mesh);
ASSERT_NE(mesh, nullptr);
const int att_id = mesh->GetNamedAttributeId(GeometryAttribute::NORMAL);
ASSERT_GE(att_id, 0);
const PointAttribute *const att = mesh->attribute(att_id);
ASSERT_EQ(att->size(), 6); // 6 unique normal values.
}
TEST_F(PlyDecoderTest, TestPlyDecodingAll) {
// test if we can read all ply that are currently in test folder.
test_decoding("bun_zipper.ply");
// test_decoding("cube_att.ply"); // tested
test_decoding("test_extra_whitespace.ply");
test_decoding("test_more_datatypes.ply");
test_decoding("test_pos_color_ascii.ply");
test_decoding("int_point_cloud.ply", 0, 16, nullptr);
// test_decoding("test_pos_color.ply"); // tested
}
} // namespace draco
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